20000220155132 has 72 divisors (see below), whose sum is σ = 40768521494400. Its totient is φ = 8560205097696.

The previous prime is 20000220155081. The next prime is 20000220155143. The reversal of 20000220155132 is 23155102200002.

It is a super-3 number, since 3×20000220155132³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000220155098 and 20000220155107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 650885153 + ... + 650915879.

It is an arithmetic number, because the mean of its divisors is an integer number (566229465200).

Almost surely, 2^{20000220155132} is an apocalyptic number.

It is an amenable number.

20000220155132 is an abundant number, since it is smaller than the sum of its proper divisors (20768301339268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000220155132 is a wasteful number, since it uses less digits than its factorization.

20000220155132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35023 (or 35014 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20000220155132 its reverse (23155102200002), we get a palindrome (43155322355134).

The spelling of 20000220155132 in words is "twenty trillion, two hundred twenty million, one hundred fifty-five thousand, one hundred thirty-two".